Slide 1: Thorn Cu-Au-Ag Project Technical Presentation
THORN Cu-Au-Ag PROJECT Technical Presentation Northwest British Columbia, Canada TSX-V: BBB | OTCQB: BBBXF | FR: 8BX1 BRIXTONMETALS.COM 1
Slide 2: Safe Harbour Statement
SAFE HARBOUR STATEMENT Information set forth in this presentation involves forward-looking statements, including but not limited to comments regarding planned drilling and other exploration, identification of new targets, and timelines, predictions and projections. Forward-looking statements are sta
Slide 3: Project Location – Northwest British Columbia, Canada
PROJECT LOCATION – Northwest British Columbia, Canada A District Scale Copper-Gold Porphyry Trend On A Very Large Contiguous Claim Block The Flagship Project BRIXTONMETALS.COM 3
Slide 4: Thorn Project
THORN PROJECT The Flagship Wholly Owned. • Located on trend with BC’s prolific Golden Triangle • In partnership with the Taku River Tlingit and Tahltan First Nations • Easy access via 45-minute flight from Whitehorse, YT • A massive 2,945km2 claim block • Potential access to US tide waters • Golden
Slide 5: Thorn Project
THORN PROJECT As of 2025, over 502 holes have been drilled on the project since 1952, totaling 123,969m Brixton Metals has drilled over 101,428m since 2011 on many targets ~32,000 soil samples ~17,500 rock samples ~1,800 stream sediment samples 5 5
Slide 6: Thorn Terrane
THORN TERRANE Casino Cu-Mo-Au 74 Ma STIKINIA The Thorn Project is located within the Stikine Adanac Mo Terrane, an Upper Triassic to Lower Jurassic 70 Ma accreted exotic magmatic arc in the Pebble Cu-Mo-Au Intermontane belt of the northern Cordillera. 90.4-89.7 Ma The belt includes Late Triassic to
Slide 7: BCGS Regional Geochemical Survey
BCGS REGIONAL GEOCHEMICAL SURVEY Re-Analysis 2018 Open File The Thorn Project encompasses one of the largest and highest-ranking Porphyry Copper- Gold geochemical anomalies within BC BRIXTONMETALS.COM 7
Slide 8: Thorn Simplified Geology & Target Areas
THORN SIMPLIFIED GEOLOGY & TARGET AREAS Catalyst & Tempest Cu-Au Porphyry North Target Cu-Mo Porphyry Camp Creek Cu-Au-Ag-Mo Porphyry HS-Veins-Bx Au-Cu-Ag Outlaw Sediment Hosted Au Trapper Epithermal Au East Target Cu-Au Porphyry METLA Au-Cu-Ag Veins Plum Alkalic Cu-Au Porphyry South Target Epitherm
Slide 9: Porphyry Alteration
PORPHYRY ALTERATION Widespread porphyry alteration minerals mapped across the property, highlighting several anomalous areas. ASTER-SENTINEL 2 data acquired for the property in 2020 BRIXTONMETALS.COM 9
Slide 10: Thorn Depositional Setting
THORN DEPOSITIONAL SETTING TALISKER TRAPPER OBAN GLENFIDDICH OUTLAW CAMP CREEK Sillitoe, R.H., 2010, Porphyry Copper Systems. Economic Geology 2010; 105 (1): 3–41. BRIXTONMETALS.COM 10
Slide 11: Porphyry Vectoring - Geochemistry
PORPHYRY VECTORING - GEOCHEMISTRY VERTICAL DISTRIBUTION OF ELEMENTS index increases with depth MDRU PORPHYRY INDEX (MPIx) (Cu/10) +Mo+(10xW)+(20xSn) Proximal elements (5xSb)+(20xTl)+Ag+As+Li Distal elements Bouzari et al., 2019 Halley, S., Dilles, J.H., and Tosdal, R.M., 2015, Footprints: Hydrotherm
Slide 12: Thorn Copper Geochemistry
THORN COPPER GEOCHEMISTRY A District Scale System “A complete mineral system” 12
Slide 13: Thorn Gold Geochemistry
THORN GOLD GEOCHEMISTRY 5 km 13
Slide 14: Camp Creek Acid Sulfate Alteration
CAMP CREEK ACID SULFATE ALTERATION BRIXTONMETALS.COM 14
Slide 15: Camp Creek Corridor
CAMP CREEK CORRIDOR A Northeast Trending Corridor With Multiple Porphyry’s BRIXTONMETALS.COM 15
Slide 16: New Discovery 2025
New Discovery 2025 • Catalyst: 16.5m of 1.05% CuEq, 98.5m of 0.50% CuEq and 26.00m of 0.50% CuEq all within 424m of 0.30% CuEq • Assay’s Pending for 2 more holes • Room for expansion and higher- grades • B-A veins with Maricunga style veins (Qtz-Magnetite veins indicative of a gold rich system) BRIX
Slide 17: Camp Creek High Sulfidation Targets & Drilling
CAMP CREEK HIGH SULFIDATION TARGETS & DRILLING Camp Creek High Sulfidation, Near Surface Veins-Breccia • During 2025 campaign: Newly identified northeast structural trend, “Northside vein” and extension of known “Glenfiddich vein” • Hole THN25-318 intercepted 1.5m of 9.5 g/t gold, 13.8% copper, 771
Slide 18: Camp Creek Deep Porphyry Evidence (2011 – 2019)
THN11-60 CAMP CREEK DEEP PORPHYRY EVIDENCE (2011 – 2019) 95.08 m of 1.71 g/t Au, 628.00 g/t Ag, 2.39% Zn, 3.31% Pb Porphyry clasts A & B veins in THN19-150 OBAN clasts 554.70 m of 0.57 g/t Au, 0.24% Cu, 43.18 g/t Ag, 0.55% Zn, 0.28% Pb OBAN Diatreme THN19-150 554.7m of 1% CuEq incl. 136m of 2.4% CuE
Slide 19: Camp Creek Porphyry Drilling Highlights
CAMP CREEK PORPHYRY DRILLING HIGHLIGHTS THN11-60 95m of 628 g/t Ag, 1.7 g/t Au, 5.8% Zn+Pb, 0.12% Cu Copper Equivalent (CuEq) is calculated based on US$ 4.02/lb Cu, US$ 2105.6/oz Au, US$ 25.16/oz Ag, $US 20.99/lb Mo. These prices represent the approximate metal prices and calculations assume 95% met
Slide 20: Camp Creek – THN23-261
CAMP CREEK – THN23-261 129.45m: Polylithic Phreatomagmatic Breccia 492.42m: D-vein hosted in PY 1442.70m: Cpy clots hosted in k-spar altered PX 1579.30m: Qtz-Py-Cpy vein hosted in SLTS BRIXTONMETALS.COM 20
Slide 21: Camp Creek Mineralization Highlights: THN23-261
CAMP CREEK MINERALIZATION HIGHLIGHTS: THN23-261 161.8m: 1.00m of 1.28g/t Au, 150.0g/t Ag 172.60m: 1.50m of 0.63g/t Au, 159.0g/t Ag & 2.74% Cu 1461.85m: 2.00m of 0.64% Cu & 1.97% Cu Py-Ss Vein hosted in Porphyry Y & 1215ppm Mo Fracture filled semi-massive Py-Ss hosted in BX Cpy A-vein hosted in Porph
Slide 22: Camp Creek Mineralization Highlights
CAMP CREEK MINERALIZATION HIGHLIGHTS THN22-201 at 1023.10m: 1.9m of 0.60g/t THN22-221 at 1040.25m: 2.00m of 0.20g/t Au, THN22-201 at 1092.90m: 2.00m of 0.14g/t Au, Au, 8.81g/t Ag, 1.14% Cu & 250ppm Mo 5.13g/t Ag, 0.69% Cu & 254ppm Mo 9.30g/t Ag, 0.78% Cu & 395ppm Mo Cpy on fractured surface hosted i
Slide 23: Camp Creek – Metal Content of Porphyry Phases
CAMP CREEK – METAL CONTENT OF PORPHYRY PHASES Copper (ppm) Gold (ppm) Molybdenum (ppm) Dyke Porphyry V Porphyry X Porphyry Y Porphyry Z Porphyry X – Crowded Feldspar Porphyry with Stacked Biotite THN23-261 NQ Size Core at 1448.65m BRIXTONMETALS.COM 23
Slide 24: Camp Creek Porphyry Fertility
CAMP CREEK PORPHYRY x FERTILITY V / Sc vs. Sc Sr / Y vs. Y Sr / Y V / Sc Porphyry Cu field Sc (ppm) Y (ppm) Olson, N.H., Dilles, J.H., Kent, A.R., and Lang, J.L., 2017, Geochemistry of the Cretaceous Kaskanak Batholith and genesis of the Rees, C., Riedell, K.B., Proffett, J.M., Macpherson, J., and R
Slide 25: Trapper Gold Target
TRAPPER GOLD TARGET BRIXTONMETALS.COM 25
Slide 26: Thorn Gold Geochemistry
THORN GOLD GEOCHEMISTRY CATALYST - Ne THORN CAMP 2025 gold resutt Lr r ty AND AIRSTRIP ‘ending and will be reported once avalable CAMP CREEK x OUTLAW Rock Sample - Au (ppm) >10 = 2-10 TRAPPER = 05-2 Soil Sample - Au (ppm) >0.25 © 0.1-0.25 © 0.05 - 0.1
Slide 27: Trapper Drilling, Sampling & Target Areas
TRAPPER DRILLING, SAMPLING & TARGET AREAS A 4km gold in soils anomaly outlines the Trapper Gold Target Drilling has been focused in the central and southeast areas 27
Slide 28: Trapper Gold Target
TRAPPER GOLD TARGET Gold mineralization associated with base metal veins (BMS) and spatially THN22-237m 304.64m of 1.19 g/t Au associated with a Diorite Incl. 84m of 3.10 g/t Au 2025 drilling has identified THN22-244m 253 of 1.40 g/t Au mineralization also associated with a Incl. 12.31m of 16.18 g/t
Slide 29: Trapper Visible Gold in Drill Core
TRAPPER VISIBLE Visible Gold Hosted In Diorite Visible Gold Hosted In Diorite GOLD IN DRILL CORE Visible Gold Hosted in BMS vein THN22-205 @ 151.75m of 249 g/t Au over 0.25m THN22-237 @ 159.78m of 34.5 g/t Au over 0.38m Visible Gold Hosted In Diorite Visible Gold Hosted In Diorite Visible Gold In Ba
Slide 30: Trapper Magnetic Geophysics
TRAPPER MAGNETIC GEOPHYSICS Calculated Vertical Gradient from Residual Magnetic Field BRIXTONMETALS.COM 30
Slide 31: East Targets
EAST TARGETS Sentinel Prime Bing BRIXTONMETALS.COM 31
Slide 32: Sentinel Target
SENTINEL TARGET Porphyry style stockwork quartz veins commonly found at Sentinel within muscovite-phengite-specularite altered felsic volcanics. BRIXTONMETALS.COM 32
Slide 33: Thank You to Our Team & Contractors
THANK YOU TO OUR TEAM & CONTRACTORS Riedell Exploration Ltd. BRIXTONMETALS.COM 33
Slide 34: Reach out to learn more about the Thorn Project
Reach out to learn more about the Thorn Project www.brixtonmetals.com info@brixtonmetals.com Suite 551-409 Granville Street Vancouver, BC V6C 1T2 TSX-V:BBB | OTCQB: BBBXF | FR: 8BX1